December 2027 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

20 合計天文イベント、含む 4 月相と 1 惑星イベント。

毎日の天文現象

すべての時刻は現地時間 (Asia/Shanghai)

Group 日付 日の出/日の入り 月の出/月の入り 月相 天文現象

Planetary outlook

December 2027 mid-month observing conditions

Mercury

Excellent
見かけの等級: -1.2
星座: Sagittarius
Angular diameter: 4.7"
Status: near greatest western elongation

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

赤経: 17h35m39s
赤緯: -24°45'11"

Venus

Excellent
見かけの等級: -3.9
星座: Capricornus
Angular diameter: 12.3"
Status: near greatest western elongation

Observation tip: Very bright, easily visible to the naked eye; Venus is the brightest planet and is best seen at dusk or dawn

赤経: 19h45m23s
赤緯: -23°03'41"

Mars

Excellent
見かけの等級: 1.2
星座: Capricornus
Angular diameter: 4.1"
Status: near western quadrature

Observation tip: Visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

赤経: 19h04m19s
赤緯: -23°41'50"

Jupiter

Excellent
見かけの等級: -2.0
星座: Virgo
Angular diameter: 36.6"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its moons are easy to spot and it is excellent for telescope observing

赤経: 11h48m10s
赤緯: +02°34'31"

Saturn

Excellent
見かけの等級: 0.4
星座: Aries
Angular diameter: 18.9"
Status: near western quadrature

Observation tip: Visible to the naked eye; Saturn’s rings require a telescope to see clearly

赤経: 01h21m55s
赤緯: +05°47'39"

Uranus

Fair
見かけの等級: 5.6
星座: Gemini
Angular diameter: 3.8"
Status: near western quadrature

Observation tip: Binoculars are recommended; Binoculars or a telescope are recommended

赤経: 04h22m07s
赤緯: +21°26'45"

Neptune

Fair
見かけの等級: 7.7
星座: Aries
Angular diameter: 2.3"
Status: near western quadrature

Observation tip: A telescope is required; A telescope is required; Neptune appears blue-green

赤経: 00h16m25s
赤緯: +00°12'57"

Moon

Excellent
見かけの等級: -12.7
星座: Cancer
Angular diameter: 12751.6"
Status: Moon illumination 97.6%

Observation tip: Moon illumination 97.6%; good for observing lunar surface detail

赤経: 06h47m09s
赤緯: +24°57'35"